package com.juzi.neicuntu;

public class ArrayDemo1 {
    public static void main(String[] args) {
        int a = 12 ;//基本数据类型，输出数据
        System.out.println(a);

        int [] arr = {11, 22, 33};//引用数据类型，输出地址
        System.out.println(arr);

        arr[0] = 44;
        arr[1] = 55;
        arr[2] = 66;

        System.out.println(arr[0]);
        System.out.println(arr[1]);
        System.out.println(arr[2]);
    }
}
